These small cam locks have four tumbler mechanisms. The 1/4" and 1/2" locks have 1" cams; the 3/8" lock has an 11/16" cam. The smallest lock is die-cast zinc, while the two larger are brass.
All have 5/8" diameter chrome plated faces, which accept nickel-plated tubular steel keys (two included).
Size given is maximum material thickness.
Mounting hardware included.